211001221112022 has 48 divisors (see below), whose sum is σ = 517201646375232. Its totient is φ = 63939763971720.

The previous prime is 211001221111991. The next prime is 211001221112023. The reversal of 211001221112022 is 220211122100112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211001221111986 and 211001221112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211001221112023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19734489708 + ... + 19734500399.

It is an arithmetic number, because the mean of its divisors is an integer number (10775034299484).

Almost surely, 2^{211001221112022} is an apocalyptic number.

211001221112022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211001221112022 is an abundant number, since it is smaller than the sum of its proper divisors (306200425263210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211001221112022 is a wasteful number, since it uses less digits than its factorization.

211001221112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39468990135 (or 39468990123 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211001221112022 its reverse (220211122100112), we get a palindrome (431212343212134).

The spelling of 211001221112022 in words is "two hundred eleven trillion, one billion, two hundred twenty-one million, one hundred twelve thousand, twenty-two".